Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	6.11	6.31	6.5	5.89	6.11	5.5	4.81	5	5.31	5.39	5.69	6.19	6.39	6.31	6	5.89	5.11	6.39	8.81	8	6.69	7	7.11	7.39
Wind gust (m/s)	7.11	7.83	7.53	6.92	6.5	5.92	5.11	5.14	10.31	8.39	9.69	10.19	11.39	9.31	9	8.89	10.11	6.42	9.64	10.92	11	10.22	9.61	9.72
Wind direction (°)	NNE 14°	N 0°	N 4°	NNW 348°	NW 321°	NW 325°	NW 323°	NW 320°	NW 321°	NW 324°	NW 322°	NW 320°	NW 320°	NW 318°	NW 318°	NW 325°	NNW 335°	NNE 12°	NNE 20°	NNE 15°	NNE 19°	NNE 14°	NNE 16°	NNE 14°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	81	81	84	85	89	89	89	89	90	90	88	87	86	85	85	85	85	84	86	93	91	81	75	74

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	723	724	725	725	727	728	728	729	730	731	731	732	734	734	734	735	736	737	738	740	740	741	742	743

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0	0	0	0.1	0.1	0.2	0.2	0.2	0.1	0.1	0.1	0	0	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	0.8	0.9	0.8	1	1.9	2.2	2.5	2.7	2.3	2	1.8	1.2	1	1	1.1	1.2	1.2	1.1	1	1.1	1.1	1.6	1.5	1.4
PM10 (µg/m³)	1.9	2	2.2	2.7	4.3	5.2	8.2	8.8	6.6	5.8	4.6	3.7	3.7	3.5	3.2	3.1	3.2	3.3	3	3.1	3.2	3.5	4.4	3.8
Ozone (O₃) (µg/m³)	59	59	59	60	60	62	62	63	62	61	61	62	63	63	65	66	66	64	65	65	63	65	65	66
NO₂ (µg/m³)	2.2	1.8	2	1.3	1.2	1	1.1	1.2	1.1	1.3	1.3	0.9	0.8	0.8	0.8	0.9	0.9	1	1	0.9	0.8	0.7	0.7	0.6
SO₂ (µg/m³)	2.1	1.9	1.2	0.5	0.3	0.3	0.2	0.3	0.3	0.3	0.3	0.3	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
CO (µg/m³)	178	175	174	174	175	175	175	174	174	173	173	174	174	174	174	176	176	178	180	180	179	180	182	183

← Thu, Sep 24

Fri, Sep 25, 2026

Sat, Sep 26 →

Reykjavík on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.

Learn more about our methodology →